JPS6219025B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an electrical outlet that displays the operating status of a connected load.

Conventionally, this type of outlet connects a series circuit consisting of a neon lamp and a limiting resistor between the blade holder springs, and only displays the energization status of the power supply.
The operating status of the load cannot be displayed.

This invention was made in view of the above-mentioned circumstances, and its purpose is to display the operating status of a load so that the operating status of a load located at a distance can be visually confirmed, and to facilitate assembly. The purpose is to provide an outlet with an easy-to-use operation indicator.

An embodiment of the first invention will be described below with reference to FIGS. 1 to 5. Reference numeral 1 denotes a lid body, which has two sets of blade insertion holes 2 formed on its front surface and a through hole 3 formed above the blade insertion holes 2.

A light transmitting portion 5 is formed by locking a transparent cover 4 to this through hole 3. Further, the light transmitting portion 5 may be integrally formed by forming the lid 1 as a thin portion, or by injecting and hardening a transparent synthetic resin into the through hole 3. Reference numeral 6 denotes a door device, which is attached by forming a recess 7 on the back surface of the lid body 1. The door device 6 has an inclined surface 8
A pair of doors 1 having a, 8b and contact surfaces 9a, 9b
0a, 10b, return springs 11a, 11b for the doors 10a, 10b, and an inner lid 12 that fits into the recess 7 and prevents the doors 10a, 10b stored in the recess 7 from falling off. , the respective inclined surfaces 8a and abutting surfaces 9b, and the inclined surfaces 8b and abutting surfaces 9a correspond,
The door device 6 opens only when a pair of plug blades (not shown) for supplying power to the load press the inclined surfaces 8a and 8b at substantially the same time, thereby preventing the occurrence of an electrical accident due to insertion of one plug blade. ing. Reference numeral 13 designates a container body that forms a container 14 in combination with the lid body 1, and includes storage chambers 13a and 13b for a pair of blade receiving springs 15 and 16, and a light emitting element 17 as a bidirectional diode on the secondary side.
The storage chamber 13c of the current transformer 18 connected to the current transformer 18 is arranged in a U-shape. 19 is an insertion hole for an electric wire, and 20 is an insertion hole for a driver for pressing the release button 21. And one storage room 13b
is connected to the storage chamber 13c through the notch 22. Further, the light emitting element 17 may be a neon lamp or a miniature light bulb. Reference numeral 15 denotes a blade receiving spring, which has tongue pieces 23a and 23b cut out from the left and right in a substantially straight line, tongue pieces 24 and 25 formed at both ends so as to correspond to the tongue pieces 23a and 23b, respectively, and a locking piece 25. A terminal part 28 in which two lock springs 27 are housed back to back, and a contact part 29 integrally provided at both ends of this terminal part 28.
It is stored in the storage chamber 13a. Also,
The terminal portion 28 may be of a screw type, and the number of contact portions 29 may be one or more as required. Reference numeral 16 denotes a blade receiving spring, which has tongues 30a and 30b cut and raised in a substantially straight line from the left and right, and tongues 3 with both ends corresponding to the tongues 30a and 30b, respectively.
1 and 32, and is stored in a storage chamber 13d that partitions the storage chamber 13b with a wall 33, and two locking springs 35 having locking pieces 34 are stored back to back, and an arm piece 36 extending from the upper end to the storage chamber 13b. The arm piece 3 surrounds the wall 33 and the terminal part 37 provided with the
The storage chamber 13 is integrally provided at both ends of a connecting piece 38 provided with arm pieces 39 corresponding to the upper and lower parts of the storage chamber 13.
It is separated from the contact portion 40 housed in b.
Further, like the blade receiving spring 15, a screw tightening type or an arbitrary number of contact portions 40 may be employed.

Next, we will discuss the assembly order. First, the return springs 11a and 11b are attached to both sides of the recess 7.
A protruding body 7a is formed in the recess 7, and is attached to the notch portions 41a, 41b of the return springs 11a, 11b.

Next, the doors 10a, 10b are fixed to the return springs 11a, 1.
1b so that the blade insertion hole 2 is always closed by the inclined surfaces 8a and 8b.
The inner lid 12, which has protrusions 43a and 43b that engage with the recess 7, is fitted into the recess 7. 44 is a protrusion for preventing reverse assembly, 45 is a hole, and a space 46 formed between the door devices 6 is used as an escape portion for the electric wire. After pressing the release button 21, the blade holder spring 15 is placed in the storage chamber 13a, the lock piece 26 is opposed to the tongue pieces 24 and 25, and the lock spring 2 is closed.
Insert 7. At this time, the lock spring 27 is pressed against the release button 21.
They are also facing each other. Next, the respective arm pieces 36 of the terminal portion 37 and the contact portion 40 forming the blade receiving spring 16,
The wire 18a on the primary side of the current transformer 18 is connected to 39 by soldering. Then, the current transformer 18 is fitted into the recess 13e of the storage chamber 13c, and the terminal portion 37
and the contact portion 40 are housed in the storage chambers 13d and 13b, respectively, and the line 18a housed in the notch 22 by the upper and lower corresponding arm pieces 36 and 39 is positioned with a constant vertical dimension, so that the line 18a Insulation distance can be ensured even when bare wires are used. Further, when a coated wire is used for the wire 18a, the arm pieces 36 and 39 may be not formed and may be directly connected to the terminal portion 37 and the contact portion 40 by soldering.
Next, the light emitting element 17 is planted on the substrate 47, and the secondary side wire 18b of the current transformer 18 is connected.
The protrusion 48 provided in the storage chamber 13c and the notch 49 formed in the base plate 47 are engaged with each other to attach it to the storage chamber 13c. Alternatively, the light emitting element may be mounted by forming a hole 50 in the storage chamber 13c and inserting the light emitting element into the hole 50, as shown in FIG. 51 is a mounting frame, and the container 14 is assembled by fitting projections 52 formed on both sides of the container body 13 with a frame body 53. The mounting frame 51 is the container 1
Used when installing 4 by embedding it in construction materials,
54 is a mounting hole for a plate (not shown) to be mounted on the front surface. Furthermore, in the case of exposed wiring, the container 14 may be assembled using screws or the like without using the mounting frame 51.

7 and 8 show an embodiment of the second invention, in which a terminal portion 37 provided with an arm piece 36 and an eye piece 55 are shown.
Since the blade receiving spring 57 is a combination of the single contact portion 56 provided with the blade support spring 57, it is possible to reduce the material loss of the contact portion 56.

As explained above, this invention provides the plug blade insertion hole 2.
and a lid 1 having a light transmitting portion 5, which is combined with the lid 1 to form a container 14, and a light emitting element 17 is connected to the storage chambers 13a, 13b of the pair of blade receiving springs 15, 16 and the secondary side. The container body 13 is formed by arranging the storage chamber 13c of the current transformer 18 in a U-shape, and the storage chamber 13b of one blade receiving spring 16 is connected to this storage chamber 13c by the notch 22, and the terminal portion. Blade holder spring 15 with contact portion 29 integrally provided at 28
and a blade receiving spring 1 in which the terminal portion 37 and the contact portion 40 are separated.
6, the terminal portion 37 and the contact portion 40 of the blade receiving spring 16 separated from the primary side of the current transformer 18.
Since it is connected to the storage chamber 1 of one of the blade holder springs 16, it is possible to display the operating status of the load and visually confirm the operating status of the load located at a distance.
3b is connected to the storage chamber 13c of the current transformer 18 through the notch 22, the wire 18a can be easily assembled by simply fitting it into the notch 22 without having to be routed around. Since the transformer 18 is separated, an outlet with an operation indicator can be obtained that can prevent deterioration of the transformer 18 due to arcing caused by plugging and unplugging. Furthermore, a storage chamber 13 for the current transformer 18 and the blade receiving springs 15 and 16 is provided.
a, 13b, and 13c are arranged in a U-shape, and the storage chamber 13b of one blade receiving spring 16 and the storage chamber of the current transformer 18 are connected through a notch 22 that is large enough for only the primary wire 18a of the current transformer 18 to pass through. 13c, the current transformer 18 and the blade receiving spring 16 connect to the primary wire 18 of the current transformer 18.
Except for a, the storage chambers 13b and 13c are electrically isolated by the partition wall that partitions them, so even if the current transformer 18 rattles within the storage chambers 13b and 13c, the blade holder spring 16, which is a live part, Since there is no direct contact and there is no risk of short circuit, it has the advantage of high safety. Further, since the blade receiving spring 16 is made up of a single contact portion 56 provided with a tab 55 and a terminal portion 37 as in the second invention, there is less loss of material in the contact portion 56.
By simply increasing , it is possible to obtain an outlet with an operation indicator that is compatible with two or three outlet sockets.

[Brief explanation of the drawing]

Figures 1 to 6 show an embodiment of the first invention, with Figure 1 being an exploded perspective view, Figure 2 being a front view with the lid removed, Figure 3 being a bottom view, and Figure 4 being an exploded perspective view. FIG. 5 is a front view, FIG. 5 is a sectional view taken along line A-B, and FIG. 6 is a perspective view of essential parts. 7 and 8 show an embodiment of the second invention, with FIG. 7 being an exploded perspective view and FIG. 8 being a front view with the lid removed. 1: Lid body, 2: Plug blade insertion hole, 5: Light transmission part, 1
3: Vessel body, 13a, 13b, 13c: Storage room, 1
4: Container, 15, 16: Blade holder spring, 17: Light emitting element, 18: Current transformer, 22: Notch, 28,
37: Terminal part, 29, 40: Contact part, 36, 3
9: arm piece, 55: eye piece.

Claims (1)

[Scope of Claims] 1. A lid body having a blade insertion hole and a light transmitting part, which is combined with the lid body to form a container, and a light emitting element is connected to the storage chamber of the pair of blade receiving springs and the secondary side. A container body is formed by arranging a current transformer storage chamber in a U-shape, and one blade holder spring storage chamber is connected to this storage chamber by a notch, and a contact portion is integrated with the terminal portion. An electrical outlet with an operation display, characterized in that the primary side of the current transformer is connected to the terminal part and the contact part of the separated blade receiving spring, which comprises a blade receiving spring provided and a terminal part and a contact part separated from each other. . 2. A blade receiving spring with upper and lower corresponding arm pieces for each of the separated terminal portion and contact portion, and an operation display as set forth in claim 1, in which the primary side of a current transformer is connected to each arm piece. Outlet. 3. A lid body having a plug blade insertion hole and a light transmitting part, a storage chamber for a pair of blade receiving springs, and a storage chamber for a current transformer with a light emitting element connected to the secondary side, which is combined with the lid body to form a container. A container body in which the storage chamber of one blade holder spring is connected to this storage chamber by a notch, and a blade holder spring in which a contact portion is integrally provided in the terminal portion. It is characterized by comprising a terminal portion provided with an arm piece and a blade receiving spring combining a plurality of single contact portions each provided with a clasp piece, and the primary side of the current transformer is connected to the arm piece and is clamped to the clasp piece. Outlet with operation indication.